XML 107 R73.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Restructuring and Transaction Costs - (Schedule Of Restructuring And Transaction Costs) (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Restructuring Cost And Reserve [Line Items] |  |  |
Restructuring costs | $ 258 | $ 49 | $ 84
Other Restructuring [Member] |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |
Restructuring costs | 210 | 41 | $ 84
Transaction Costs [Member] |  |  |
Restructuring Cost And Reserve [Line Items] |  |  |
Restructuring costs | $ 48 | $ 8 |

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_RestructuringCostAndReserveLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
Name: | us-gaap_RestructuringCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=us-gaap_OtherRestructuringMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RestructuringCostAndReserveAxis=dvn_TransactionCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |